45437123 has 2 divisors, whose sum is σ = 45437124. Its totient is φ = 45437122.

The previous prime is 45437099. The next prime is 45437129. The reversal of 45437123 is 32173454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45437123 - 2¹⁸ = 45174979 is a prime.

It is not a weakly prime, because it can be changed into another prime (45437129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22718561 + 22718562.

It is an arithmetic number, because the mean of its divisors is an integer number (22718562).

Almost surely, 2^45437123 is an apocalyptic number.

45437123 is a deficient number, since it is larger than the sum of its proper divisors (1).

45437123 is an equidigital number, since it uses as much as digits as its factorization.

45437123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 45437123 is about 6740.7064169863. The cubic root of 45437123 is about 356.8373248966.

The spelling of 45437123 in words is "forty-five million, four hundred thirty-seven thousand, one hundred twenty-three".