23101002 has 12 divisors (see below), whose sum is σ = 50052210. Its totient is φ = 7700328.

The previous prime is 23100991. The next prime is 23101021. The reversal of 23101002 is 20010132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19263321 + 3837681 = 4389^2 + 1959^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641677 + ... + 641712.

Almost surely, 2^23101002 is an apocalyptic number.

23101002 is an abundant number, since it is smaller than the sum of its proper divisors (26951208).

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

23101002 is a wasteful number, since it uses less digits than its factorization.

23101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283397 (or 1283394 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 23101002 is about 4806.3501745087. The cubic root of 23101002 is about 284.8023745357.

Adding to 23101002 its reverse (20010132), we get a palindrome (43111134).

It can be divided in two parts, 23 and 101002, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 23101002 in words is "twenty-three million, one hundred one thousand, two".