23400401263261 has 8 divisors (see below), whose sum is σ = 25527774318048. Its totient is φ = 21273038850000.

The previous prime is 23400401263231. The next prime is 23400401263277. The reversal of 23400401263261 is 16236210400432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23400401263261 - 2⁵ = 23400401263229 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 (23400401263231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347311 + ... + 7232611.

It is an arithmetic number, because the mean of its divisors is an integer number (3190971789756).

Almost surely, 2^{23400401263261} is an apocalyptic number.

It is an amenable number.

23400401263261 is a deficient number, since it is larger than the sum of its proper divisors (2127373054787).

23400401263261 is a wasteful number, since it uses less digits than its factorization.

23400401263261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320763.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 23400401263261 its reverse (16236210400432), we get a palindrome (39636611663693).

The spelling of 23400401263261 in words is "twenty-three trillion, four hundred billion, four hundred one million, two hundred sixty-three thousand, two hundred sixty-one".