23033142 has 24 divisors (see below), whose sum is σ = 54442440. Its totient is φ = 6979680.

The previous prime is 23033137. The next prime is 23033159. The reversal of 23033142 is 24133032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57967 + ... + 58362.

It is an arithmetic number, because the mean of its divisors is an integer number (2268435).

Almost surely, 2^23033142 is an apocalyptic number.

23033142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23033142 is an abundant number, since it is smaller than the sum of its proper divisors (31409298).

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

23033142 is a wasteful number, since it uses less digits than its factorization.

23033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116348 (or 116345 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23033142 is about 4799.2855718325. The cubic root of 23033142 is about 284.5232287169.

Adding to 23033142 its reverse (24133032), we get a palindrome (47166174).

It can be divided in two parts, 2303 and 3142, that added together give a palindrome (5445).

The spelling of 23033142 in words is "twenty-three million, thirty-three thousand, one hundred forty-two".