423142420402 has 32 divisors (see below), whose sum is σ = 694263830400. Its totient is φ = 192251250048.

The previous prime is 423142420381. The next prime is 423142420423. The reversal of 423142420402 is 204024241324.

It is an interprime number because it is at equal distance from previous prime (423142420381) and next prime (423142420423).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122499 + ... + 928057.

It is an arithmetic number, because the mean of its divisors is an integer number (21695744700).

Almost surely, 2^423142420402 is an apocalyptic number.

423142420402 is a deficient number, since it is larger than the sum of its proper divisors (271121409998).

423142420402 is a wasteful number, since it uses less digits than its factorization.

423142420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805890.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 423142420402 its reverse (204024241324), we get a palindrome (627166661726).

The spelling of 423142420402 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred twenty thousand, four hundred two".