403123122402 has 192 divisors, whose sum is σ = 1107458884224. Its totient is φ = 96160296960.

The previous prime is 403123122401. The next prime is 403123122427. The reversal of 403123122402 is 204221321304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (403123122401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8257938 + ... + 8306610.

It is an arithmetic number, because the mean of its divisors is an integer number (5768015022).

Almost surely, 2^403123122402 is an apocalyptic number.

403123122402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 403123122402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553729442112).

403123122402 is an abundant number, since it is smaller than the sum of its proper divisors (704335761822).

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

403123122402 is a wasteful number, since it uses less digits than its factorization.

403123122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48913 (or 48906 counting only the distinct ones).

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

Adding to 403123122402 its reverse (204221321304), we get a palindrome (607344443706).

It can be divided in two parts, 403123 and 122402, that added together give a palindrome (525525).

The spelling of 403123122402 in words is "four hundred three billion, one hundred twenty-three million, one hundred twenty-two thousand, four hundred two".