423420213151400 has 48 divisors (see below), whose sum is σ = 984465771882300. Its totient is φ = 169365715143680.

The previous prime is 423420213151387. The next prime is 423420213151423. The reversal of 423420213151400 is 4151312024324.

It can be written as a sum of positive squares in 6 ways, for example, as 65960613964996 + 357459599186404 = 8121614^2 + 18906602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450815 + ... + 29104014.

Almost surely, 2^{423420213151400} is an apocalyptic number.

423420213151400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423420213151400 is an abundant number, since it is smaller than the sum of its proper divisors (561045558730900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423420213151400 is a wasteful number, since it uses less digits than its factorization.

423420213151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29626478 (or 29626469 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 423420213151400 its reverse (4151312024324), we get a palindrome (427571525175724).

The spelling of 423420213151400 in words is "four hundred twenty-three trillion, four hundred twenty billion, two hundred thirteen million, one hundred fifty-one thousand, four hundred".