123908485701 has 64 divisors (see below), whose sum is σ = 234870644736. Its totient is φ = 55921536000.

The previous prime is 123908485697. The next prime is 123908485739. The reversal of 123908485701 is 107584809321.

It is not a de Polignac number, because 123908485701 - 2² = 123908485697 is a prime.

It is a super-2 number, since 2×123908485701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123908485501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1162525 + ... + 1264626.

It is an arithmetic number, because the mean of its divisors is an integer number (3669853824).

Almost surely, 2^123908485701 is an apocalyptic number.

123908485701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123908485701 is a deficient number, since it is larger than the sum of its proper divisors (110962159035).

123908485701 is a wasteful number, since it uses less digits than its factorization.

123908485701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427202.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 123908485701 in words is "one hundred twenty-three billion, nine hundred eight million, four hundred eighty-five thousand, seven hundred one".