123406150431 has 16 divisors (see below), whose sum is σ = 177882742400. Its totient is φ = 75834219168.

The previous prime is 123406150429. The next prime is 123406150433. The reversal of 123406150431 is 134051604321.

It is an interprime number because it is at equal distance from previous prime (123406150429) and next prime (123406150433).

It is not a de Polignac number, because 123406150431 - 2¹ = 123406150429 is a prime.

It is a super-2 number, since 2×123406150431² (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 (123406150433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29254921 + ... + 29259138.

It is an arithmetic number, because the mean of its divisors is an integer number (11117671400).

Almost surely, 2^123406150431 is an apocalyptic number.

123406150431 is a deficient number, since it is larger than the sum of its proper divisors (54476591969).

123406150431 is a wasteful number, since it uses less digits than its factorization.

123406150431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58514118.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 123406150431 its reverse (134051604321), we get a palindrome (257457754752).

The spelling of 123406150431 in words is "one hundred twenty-three billion, four hundred six million, one hundred fifty thousand, four hundred thirty-one".