61902423 has 24 divisors (see below), whose sum is σ = 103283856. Its totient is φ = 35308800.

The previous prime is 61902419. The next prime is 61902427. The reversal of 61902423 is 32420916.

61902423 is a `hidden beast` number, since 619 + 0 + 2 + 42 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (61902419) and next prime (61902427).

It is not a de Polignac number, because 61902423 - 2² = 61902419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61902427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16708 + ... + 20073.

It is an arithmetic number, because the mean of its divisors is an integer number (4303494).

Almost surely, 2^61902423 is an apocalyptic number.

61902423 is a deficient number, since it is larger than the sum of its proper divisors (41381433).

61902423 is a wasteful number, since it uses less digits than its factorization.

61902423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36815 (or 36812 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61902423 is about 7867.8092884869. The cubic root of 61902423 is about 395.5814179735.

The spelling of 61902423 in words is "sixty-one million, nine hundred two thousand, four hundred twenty-three".