123906424392 has 384 divisors, whose sum is σ = 368526412800. Its totient is φ = 37523865600.

The previous prime is 123906424391. The next prime is 123906424393. The reversal of 123906424392 is 293424609321.

123906424392 is a `hidden beast` number, since 1 + 239 + 0 + 6 + 4 + 24 + 392 = 666.

It is an interprime number because it is at equal distance from previous prime (123906424391) and next prime (123906424393).

It is a super-2 number, since 2×123906424392² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123906424391) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 286157808 + ... + 286158240.

It is an arithmetic number, because the mean of its divisors is an integer number (959704200).

Almost surely, 2^123906424392 is an apocalyptic number.

123906424392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123906424392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184263206400).

123906424392 is an abundant number, since it is smaller than the sum of its proper divisors (244619988408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123906424392 is a wasteful number, since it uses less digits than its factorization.

123906424392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 123906424392 in words is "one hundred twenty-three billion, nine hundred six million, four hundred twenty-four thousand, three hundred ninety-two".