234423126551 has 4 divisors (see below), whose sum is σ = 234431282952. Its totient is φ = 234414970152.

The previous prime is 234423126533. The next prime is 234423126589. The reversal of 234423126551 is 155621324432.

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 234423126551 - 2¹⁰ = 234423125527 is a prime.

It is a super-2 number, since 2×234423126551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234423122551) 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, 4034936 + ... + 4092621.

It is an arithmetic number, because the mean of its divisors is an integer number (58607820738).

Almost surely, 2^234423126551 is an apocalyptic number.

234423126551 is a deficient number, since it is larger than the sum of its proper divisors (8156401).

234423126551 is an equidigital number, since it uses as much as digits as its factorization.

234423126551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156400.

The product of its digits is 172800, while the sum is 38.

The spelling of 234423126551 in words is "two hundred thirty-four billion, four hundred twenty-three million, one hundred twenty-six thousand, five hundred fifty-one".