61650423 has 16 divisors (see below), whose sum is σ = 91657440. Its totient is φ = 40954752.

The previous prime is 61650409. The next prime is 61650439. The reversal of 61650423 is 32405616.

61650423 is a `hidden beast` number, since 6 + 1 + 650 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 61650423 - 2⁶ = 61650359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61650623) 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, 4015 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (5728590).

Almost surely, 2^61650423 is an apocalyptic number.

61650423 is a deficient number, since it is larger than the sum of its proper divisors (30007017).

61650423 is a wasteful number, since it uses less digits than its factorization.

61650423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095 (or 8089 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61650423 is about 7851.7783336006. The cubic root of 61650423 is about 395.0438940699.

The spelling of 61650423 in words is "sixty-one million, six hundred fifty thousand, four hundred twenty-three".