234503555420 has 24 divisors (see below), whose sum is σ = 508343192448. Its totient is φ = 90775569600.

The previous prime is 234503555263. The next prime is 234503555423. The reversal of 234503555420 is 24555305432.

It is a super-2 number, since 2×234503555420² (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 (234503555423) 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, 189115151 + ... + 189116390.

It is an arithmetic number, because the mean of its divisors is an integer number (21180966352).

Almost surely, 2^234503555420 is an apocalyptic number.

234503555420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234503555420 is an abundant number, since it is smaller than the sum of its proper divisors (273839637028).

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

234503555420 is a wasteful number, since it uses less digits than its factorization.

234503555420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378231581 (or 378231579 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 234503555420 in words is "two hundred thirty-four billion, five hundred three million, five hundred fifty-five thousand, four hundred twenty".