45001123 has 2 divisors, whose sum is σ = 45001124. Its totient is φ = 45001122.

The previous prime is 45001109. The next prime is 45001147. The reversal of 45001123 is 32110054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45001123 - 2⁹ = 45000611 is a prime.

It is a super-2 number, since 2×45001123² = 4050202142522258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45001097 and 45001106.

It is not a weakly prime, because it can be changed into another prime (45001163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500561 + 22500562.

It is an arithmetic number, because the mean of its divisors is an integer number (22500562).

Almost surely, 2^45001123 is an apocalyptic number.

45001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

45001123 is an equidigital number, since it uses as much as digits as its factorization.

45001123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45001123 is about 6708.2876354551. The cubic root of 45001123 is about 355.6922892327.

Adding to 45001123 its reverse (32110054), we get a palindrome (77111177).

The spelling of 45001123 in words is "forty-five million, one thousand, one hundred twenty-three".