23719641 has 16 divisors (see below), whose sum is σ = 36531648. Its totient is φ = 13529600.

The previous prime is 23719639. The next prime is 23719643. The reversal of 23719641 is 14691732.

It is an interprime number because it is at equal distance from previous prime (23719639) and next prime (23719643).

It is a cyclic number.

It is not a de Polignac number, because 23719641 - 2¹ = 23719639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23719643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20580 + ... + 21701.

It is an arithmetic number, because the mean of its divisors is an integer number (2283228).

Almost surely, 2^23719641 is an apocalyptic number.

It is an amenable number.

23719641 is a deficient number, since it is larger than the sum of its proper divisors (12812007).

23719641 is a wasteful number, since it uses less digits than its factorization.

23719641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312.

The product of its digits is 9072, while the sum is 33.

The square root of 23719641 is about 4870.2814087073. The cubic root of 23719641 is about 287.3223239926.

The spelling of 23719641 in words is "twenty-three million, seven hundred nineteen thousand, six hundred forty-one".