23401402229 has 4 divisors (see below), whose sum is σ = 23405442060. Its totient is φ = 23397362400.

The previous prime is 23401402201. The next prime is 23401402253. The reversal of 23401402229 is 92220410432.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22747577329 + 653824900 = 150823^2 + 25570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23401402229 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 (23401422229) 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, 2011214 + ... + 2022815.

It is an arithmetic number, because the mean of its divisors is an integer number (5851360515).

Almost surely, 2^23401402229 is an apocalyptic number.

It is an amenable number.

23401402229 is a deficient number, since it is larger than the sum of its proper divisors (4039831).

23401402229 is an equidigital number, since it uses as much as digits as its factorization.

23401402229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039830.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 23401402229 in words is "twenty-three billion, four hundred one million, four hundred two thousand, two hundred twenty-nine".