231026423 has 2 divisors, whose sum is σ = 231026424. Its totient is φ = 231026422.

The previous prime is 231026399. The next prime is 231026473. The reversal of 231026423 is 324620132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231026423 - 2²⁴ = 214249207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231026473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115513211 + 115513212.

It is an arithmetic number, because the mean of its divisors is an integer number (115513212).

Almost surely, 2^231026423 is an apocalyptic number.

231026423 is a deficient number, since it is larger than the sum of its proper divisors (1).

231026423 is an equidigital number, since it uses as much as digits as its factorization.

231026423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 231026423 is about 15199.5533815964. The cubic root of 231026423 is about 613.6026378857.

Adding to 231026423 its reverse (324620132), we get a palindrome (555646555).

The spelling of 231026423 in words is "two hundred thirty-one million, twenty-six thousand, four hundred twenty-three".