23013029 has 4 divisors (see below), whose sum is σ = 24783276. Its totient is φ = 21242784.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013029 is 92031032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8988004 + 14025025 = 2998^2 + 3745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23013029 - 2¹² = 23008933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23013029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885104 + ... + 885129.

It is an arithmetic number, because the mean of its divisors is an integer number (6195819).

Almost surely, 2^23013029 is an apocalyptic number.

It is an amenable number.

23013029 is a deficient number, since it is larger than the sum of its proper divisors (1770247).

23013029 is a wasteful number, since it uses less digits than its factorization.

23013029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770246.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23013029 is about 4797.1896981462. The cubic root of 23013029 is about 284.4403874758.

The spelling of 23013029 in words is "twenty-three million, thirteen thousand, twenty-nine".