33023130 has 32 divisors (see below), whose sum is σ = 90578304. Its totient is φ = 7548096.

The previous prime is 33023119. The next prime is 33023171. The reversal of 33023130 is 3132033.

33023130 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×33023130² = 2181054229993800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78417 + ... + 78836.

It is an arithmetic number, because the mean of its divisors is an integer number (2830572).

Almost surely, 2^33023130 is an apocalyptic number.

33023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33023130 is an abundant number, since it is smaller than the sum of its proper divisors (57555174).

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

33023130 is a wasteful number, since it uses less digits than its factorization.

33023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157270.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 33023130 is about 5746.5755019838. The cubic root of 33023130 is about 320.8283551635.

Adding to 33023130 its reverse (3132033), we get a palindrome (36155163).

It can be divided in two parts, 33023 and 130, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 33023130 in words is "thirty-three million, twenty-three thousand, one hundred thirty".