431354331023 has 32 divisors (see below), whose sum is σ = 545722417152. Its totient is φ = 331170184800.

The previous prime is 431354331017. The next prime is 431354331029. The reversal of 431354331023 is 320133453134.

It is an interprime number because it is at equal distance from previous prime (431354331017) and next prime (431354331029).

It is not a de Polignac number, because 431354331023 - 2⁸ = 431354330767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431354331029) 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, 8629340 + ... + 8679182.

It is an arithmetic number, because the mean of its divisors is an integer number (17053825536).

Almost surely, 2^431354331023 is an apocalyptic number.

431354331023 is a deficient number, since it is larger than the sum of its proper divisors (114368086129).

431354331023 is a wasteful number, since it uses less digits than its factorization.

431354331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51515.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 431354331023 its reverse (320133453134), we get a palindrome (751487784157).

The spelling of 431354331023 in words is "four hundred thirty-one billion, three hundred fifty-four million, three hundred thirty-one thousand, twenty-three".