400131012024123 has 8 divisors (see below), whose sum is σ = 533678957414736. Its totient is φ = 266668537324800.

The previous prime is 400131012024119. The next prime is 400131012024127. The reversal of 400131012024123 is 321420210131004.

It is an interprime number because it is at equal distance from previous prime (400131012024119) and next prime (400131012024127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400131012024123 - 2² = 400131012024119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400131012024093 and 400131012024102.

It is not an unprimeable number, because it can be changed into a prime (400131012024127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21367661898 + ... + 21367680623.

It is an arithmetic number, because the mean of its divisors is an integer number (66709869676842).

Almost surely, 2^{400131012024123} is an apocalyptic number.

400131012024123 is a deficient number, since it is larger than the sum of its proper divisors (133547945390613).

400131012024123 is a wasteful number, since it uses less digits than its factorization.

400131012024123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42735345645.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 400131012024123 its reverse (321420210131004), we get a palindrome (721551222155127).

The spelling of 400131012024123 in words is "four hundred trillion, one hundred thirty-one billion, twelve million, twenty-four thousand, one hundred twenty-three".