23421431963 has 2 divisors, whose sum is σ = 23421431964. Its totient is φ = 23421431962.

The previous prime is 23421431951. The next prime is 23421432019. The reversal of 23421431963 is 36913412432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23421431963 - 2³⁰ = 22347690139 is a prime.

It is not a weakly prime, because it can be changed into another prime (23421431923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710715981 + 11710715982.

It is an arithmetic number, because the mean of its divisors is an integer number (11710715982).

Almost surely, 2^23421431963 is an apocalyptic number.

23421431963 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421431963 is an equidigital number, since it uses as much as digits as its factorization.

23421431963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The spelling of 23421431963 in words is "twenty-three billion, four hundred twenty-one million, four hundred thirty-one thousand, nine hundred sixty-three".