61457023 has 16 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 56174976.

The previous prime is 61457017. The next prime is 61457027. The reversal of 61457023 is 32075416.

It is a cyclic number.

It is not a de Polignac number, because 61457023 - 2⁹ = 61456511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61456982 and 61457000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61457027) 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, 89640 + ... + 90322.

It is an arithmetic number, because the mean of its divisors is an integer number (4186080).

Almost surely, 2^61457023 is an apocalyptic number.

61457023 is a deficient number, since it is larger than the sum of its proper divisors (5520257).

61457023 is a wasteful number, since it uses less digits than its factorization.

61457023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 61457023 is about 7839.4529783653. The cubic root of 61457023 is about 394.6303715209.

The spelling of 61457023 in words is "sixty-one million, four hundred fifty-seven thousand, twenty-three".