23028356 has 24 divisors (see below), whose sum is σ = 44576280. Its totient is φ = 10340352.

The previous prime is 23028337. The next prime is 23028371. The reversal of 23028356 is 65382032.

It can be written as a sum of positive squares in 4 ways, for example, as 749956 + 22278400 = 866^2 + 4720^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (1857345).

Almost surely, 2^23028356 is an apocalyptic number.

23028356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23028356 is a deficient number, since it is larger than the sum of its proper divisors (21547924).

23028356 is a wasteful number, since it uses less digits than its factorization.

23028356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023 (or 12021 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 23028356 is about 4798.7869300481. The cubic root of 23028356 is about 284.5035205575.

The spelling of 23028356 in words is "twenty-three million, twenty-eight thousand, three hundred fifty-six".