61345023 has 4 divisors (see below), whose sum is σ = 81793368. Its totient is φ = 40896680.

The previous prime is 61345021. The next prime is 61345033. The reversal of 61345023 is 32054316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61345023 - 2¹ = 61345021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61344984 and 61345002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61345021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10224168 + ... + 10224173.

It is an arithmetic number, because the mean of its divisors is an integer number (20448342).

Almost surely, 2^61345023 is an apocalyptic number.

61345023 is a deficient number, since it is larger than the sum of its proper divisors (20448345).

61345023 is a wasteful number, since it uses less digits than its factorization.

61345023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448344.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 61345023 is about 7832.3063653052. The cubic root of 61345023 is about 394.3904994063.

Adding to 61345023 its reverse (32054316), we get a palindrome (93399339).

The spelling of 61345023 in words is "sixty-one million, three hundred forty-five thousand, twenty-three".