123402244142031 has 32 divisors (see below), whose sum is σ = 173069497497600. Its totient is φ = 78060440620800.

The previous prime is 123402244141991. The next prime is 123402244142117. The reversal of 123402244142031 is 130241442204321.

It is not a de Polignac number, because 123402244142031 - 2¹¹ = 123402244139983 is a prime.

It is a super-3 number, since 3×123402244142031³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123402244141983 and 123402244142001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402244142231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62455 + ... + 15710136.

It is an arithmetic number, because the mean of its divisors is an integer number (5408421796800).

Almost surely, 2^{123402244142031} is an apocalyptic number.

123402244142031 is a deficient number, since it is larger than the sum of its proper divisors (49667253355569).

123402244142031 is a wasteful number, since it uses less digits than its factorization.

123402244142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773527.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 123402244142031 its reverse (130241442204321), we get a palindrome (253643686346352).

The spelling of 123402244142031 in words is "one hundred twenty-three trillion, four hundred two billion, two hundred forty-four million, one hundred forty-two thousand, thirty-one".