23201225040451 has 4 divisors (see below), whose sum is σ = 23206747830904. Its totient is φ = 23195702250000.

The previous prime is 23201225040349. The next prime is 23201225040517. The reversal of 23201225040451 is 15404052210232.

It is a happy number.

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 23201225040451 - 2⁹ = 23201225039939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23201925040451) 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, 2761388925 + ... + 2761397326.

It is an arithmetic number, because the mean of its divisors is an integer number (5801686957726).

Almost surely, 2^{23201225040451} is an apocalyptic number.

23201225040451 is a deficient number, since it is larger than the sum of its proper divisors (5522790453).

23201225040451 is an equidigital number, since it uses as much as digits as its factorization.

23201225040451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522790452.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 23201225040451 its reverse (15404052210232), we get a palindrome (38605277250683).

The spelling of 23201225040451 in words is "twenty-three trillion, two hundred one billion, two hundred twenty-five million, forty thousand, four hundred fifty-one".