233923420 has 12 divisors (see below), whose sum is σ = 491239224. Its totient is φ = 93569360.

The previous prime is 233923387. The next prime is 233923423. The reversal of 233923420 is 24329332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233923423) 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, 5848066 + ... + 5848105.

It is an arithmetic number, because the mean of its divisors is an integer number (40936602).

Almost surely, 2^233923420 is an apocalyptic number.

233923420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233923420 is an abundant number, since it is smaller than the sum of its proper divisors (257315804).

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

233923420 is a wasteful number, since it uses less digits than its factorization.

233923420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11696180 (or 11696178 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 233923420 is about 15294.5552403462. Note that the first 3 decimals coincide. The cubic root of 233923420 is about 616.1567845984.

The spelling of 233923420 in words is "two hundred thirty-three million, nine hundred twenty-three thousand, four hundred twenty".