102423231431 has 2 divisors, whose sum is σ = 102423231432. Its totient is φ = 102423231430.

The previous prime is 102423231419. The next prime is 102423231437. The reversal of 102423231431 is 134132324201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102423231431 - 2¹⁰ = 102423230407 is a prime.

It is a super-2 number, since 2×102423231431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102423231431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102423231437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51211615715 + 51211615716.

It is an arithmetic number, because the mean of its divisors is an integer number (51211615716).

Almost surely, 2^102423231431 is an apocalyptic number.

102423231431 is a deficient number, since it is larger than the sum of its proper divisors (1).

102423231431 is an equidigital number, since it uses as much as digits as its factorization.

102423231431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 102423231431 its reverse (134132324201), we get a palindrome (236555555632).

The spelling of 102423231431 in words is "one hundred two billion, four hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty-one".