23029770 has 64 divisors (see below), whose sum is σ = 57957120. Its totient is φ = 5849088.

The previous prime is 23029759. The next prime is 23029789. The reversal of 23029770 is 7792032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89482 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (905580).

Almost surely, 2^23029770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23029770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28978560).

23029770 is an abundant number, since it is smaller than the sum of its proper divisors (34927350).

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

23029770 is a wasteful number, since it uses less digits than its factorization.

23029770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 23029770 is about 4798.9342566866. The cubic root of 23029770 is about 284.5093435198.

The spelling of 23029770 in words is "twenty-three million, twenty-nine thousand, seven hundred seventy".