423142406465 has 8 divisors (see below), whose sum is σ = 508231248768. Its totient is φ = 338207017840.

The previous prime is 423142406431. The next prime is 423142406497. The reversal of 423142406465 is 564604241324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-423142406465 is a prime.

It is a super-2 number, since 2×423142406465² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38357351 + ... + 38368380.

It is an arithmetic number, because the mean of its divisors is an integer number (63528906096).

Almost surely, 2^423142406465 is an apocalyptic number.

It is an amenable number.

423142406465 is a deficient number, since it is larger than the sum of its proper divisors (85088842303).

423142406465 is a wasteful number, since it uses less digits than its factorization.

423142406465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76726839.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 423142406465 its reverse (564604241324), we get a palindrome (987746647789).

The spelling of 423142406465 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred six thousand, four hundred sixty-five".