234273901920 has 96 divisors (see below), whose sum is σ = 781372394208. Its totient is φ = 58798153728.

The previous prime is 234273901913. The next prime is 234273901921. The reversal of 234273901920 is 29109372432.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×234273901920² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234273901921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14346859 + ... + 14363178.

It is an arithmetic number, because the mean of its divisors is an integer number (8139295773).

Almost surely, 2^234273901920 is an apocalyptic number.

234273901920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234273901920 is an abundant number, since it is smaller than the sum of its proper divisors (547098492288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234273901920 is a wasteful number, since it uses less digits than its factorization.

234273901920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28710072 (or 28710064 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 234273901920 in words is "two hundred thirty-four billion, two hundred seventy-three million, nine hundred one thousand, nine hundred twenty".