23430450431 has 2 divisors, whose sum is σ = 23430450432. Its totient is φ = 23430450430.

The previous prime is 23430450401. The next prime is 23430450437. The reversal of 23430450431 is 13405403432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23430450431 - 2⁶ = 23430450367 is a prime.

It is a super-2 number, since 2×23430450431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23430450394 and 23430450403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23430450437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715225215 + 11715225216.

It is an arithmetic number, because the mean of its divisors is an integer number (11715225216).

Almost surely, 2^23430450431 is an apocalyptic number.

23430450431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430450431 is an equidigital number, since it uses as much as digits as its factorization.

23430450431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 23430450431 its reverse (13405403432), we get a palindrome (36835853863).

The spelling of 23430450431 in words is "twenty-three billion, four hundred thirty million, four hundred fifty thousand, four hundred thirty-one".