13945023 has 6 divisors (see below), whose sum is σ = 20142824. Its totient is φ = 9296676.

The previous prime is 13945013. The next prime is 13945033. The reversal of 13945023 is 32054931.

It is an interprime number because it is at equal distance from previous prime (13945013) and next prime (13945033).

It is not a de Polignac number, because 13945023 - 2⁴ = 13945007 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 (13945013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774715 + ... + 774732.

Almost surely, 2^13945023 is an apocalyptic number.

13945023 is a deficient number, since it is larger than the sum of its proper divisors (6197801).

13945023 is a wasteful number, since it uses less digits than its factorization.

13945023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549453 (or 1549450 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13945023 is about 3734.3035495257. The cubic root of 13945023 is about 240.6983306720.

Adding to 13945023 its reverse (32054931), we get a palindrome (45999954).

The spelling of 13945023 in words is "thirteen million, nine hundred forty-five thousand, twenty-three".