23002541 has 4 divisors (see below), whose sum is σ = 23149212. Its totient is φ = 22855872.

The previous prime is 23002531. The next prime is 23002543. The reversal of 23002541 is 14520032.

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 8970025 + 14032516 = 2995^2 + 3746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23002541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002543) 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, 73100 + ... + 73413.

It is an arithmetic number, because the mean of its divisors is an integer number (5787303).

Almost surely, 2^23002541 is an apocalyptic number.

It is an amenable number.

23002541 is a deficient number, since it is larger than the sum of its proper divisors (146671).

23002541 is a wasteful number, since it uses less digits than its factorization.

23002541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146670.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23002541 is about 4796.0964335593. The cubic root of 23002541 is about 284.3971704488.

Adding to 23002541 its reverse (14520032), we get a palindrome (37522573).

The spelling of 23002541 in words is "twenty-three million, two thousand, five hundred forty-one".