23401011263 has 4 divisors (see below), whose sum is σ = 26744012880. Its totient is φ = 20058009648.

The previous prime is 23401011169. The next prime is 23401011299. The reversal of 23401011263 is 36211010432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23401011263 - 2²² = 23396816959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401019263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671500798 + ... + 1671500811.

It is an arithmetic number, because the mean of its divisors is an integer number (6686003220).

Almost surely, 2^23401011263 is an apocalyptic number.

23401011263 is a deficient number, since it is larger than the sum of its proper divisors (3343001617).

23401011263 is an equidigital number, since it uses as much as digits as its factorization.

23401011263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343001616.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23401011263 its reverse (36211010432), we get a palindrome (59612021695).

The spelling of 23401011263 in words is "twenty-three billion, four hundred one million, eleven thousand, two hundred sixty-three".