23146002 has 72 divisors (see below), whose sum is σ = 57067920. Its totient is φ = 6723360.

The previous prime is 23145989. The next prime is 23146007. The reversal of 23146002 is 20064132.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (23146007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166449 + ... + 166587.

It is an arithmetic number, because the mean of its divisors is an integer number (792610).

Almost surely, 2^23146002 is an apocalyptic number.

23146002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23146002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28533960).

23146002 is an abundant number, since it is smaller than the sum of its proper divisors (33921918).

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

23146002 is a wasteful number, since it uses less digits than its factorization.

23146002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23146002 is about 4811.0292038191. The cubic root of 23146002 is about 284.9871831725.

The spelling of 23146002 in words is "twenty-three million, one hundred forty-six thousand, two".