402211023423 has 16 divisors (see below), whose sum is σ = 610470487296. Its totient is φ = 233165810240.

The previous prime is 402211023419. The next prime is 402211023443. The reversal of 402211023423 is 324320112204.

It is a happy number.

It is not a de Polignac number, because 402211023423 - 2² = 402211023419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402211023393 and 402211023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402211023413) 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, 264960390 + ... + 264961907.

It is an arithmetic number, because the mean of its divisors is an integer number (38154405456).

Almost surely, 2^402211023423 is an apocalyptic number.

402211023423 is a deficient number, since it is larger than the sum of its proper divisors (208259463873).

402211023423 is a wasteful number, since it uses less digits than its factorization.

402211023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529922334.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 402211023423 its reverse (324320112204), we get a palindrome (726531135627).

The spelling of 402211023423 in words is "four hundred two billion, two hundred eleven million, twenty-three thousand, four hundred twenty-three".