423036721045 has 16 divisors (see below), whose sum is σ = 530415411840. Its totient is φ = 323287360704.

The previous prime is 423036721043. The next prime is 423036721073. The reversal of 423036721045 is 540127630324.

It is a cyclic number.

It is not a de Polignac number, because 423036721045 - 2¹ = 423036721043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423036720995 and 423036721013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423036721043) 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, 2342655 + ... + 2516764.

It is an arithmetic number, because the mean of its divisors is an integer number (33150963240).

Almost surely, 2^423036721045 is an apocalyptic number.

It is an amenable number.

423036721045 is a deficient number, since it is larger than the sum of its proper divisors (107378690795).

423036721045 is a wasteful number, since it uses less digits than its factorization.

423036721045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860204.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 423036721045 in words is "four hundred twenty-three billion, thirty-six million, seven hundred twenty-one thousand, forty-five".