45642203623 has 4 divisors (see below), whose sum is σ = 45642631288. Its totient is φ = 45641775960.

The previous prime is 45642203591. The next prime is 45642203683. The reversal of 45642203623 is 32630224654.

45642203623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32630224654 = 2 ⋅16315112327.

It is a cyclic number.

It is not a de Polignac number, because 45642203623 - 2⁵ = 45642203591 is a prime.

It is a super-2 number, since 2×45642203623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45642203683) 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, 93340 + ... + 316222.

It is an arithmetic number, because the mean of its divisors is an integer number (11410657822).

Almost surely, 2^45642203623 is an apocalyptic number.

45642203623 is a deficient number, since it is larger than the sum of its proper divisors (427665).

45642203623 is a wasteful number, since it uses less digits than its factorization.

45642203623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427664.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 45642203623 in words is "forty-five billion, six hundred forty-two million, two hundred three thousand, six hundred twenty-three".