122023505263 has 4 divisors (see below), whose sum is σ = 133116551208. Its totient is φ = 110930459320.

The previous prime is 122023505189. The next prime is 122023505281. The reversal of 122023505263 is 362505320221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122023505263 - 2⁹ = 122023504751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122023505663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5546522956 + ... + 5546522977.

It is an arithmetic number, because the mean of its divisors is an integer number (33279137802).

Almost surely, 2^122023505263 is an apocalyptic number.

122023505263 is a deficient number, since it is larger than the sum of its proper divisors (11093045945).

122023505263 is a wasteful number, since it uses less digits than its factorization.

122023505263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093045944.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 122023505263 its reverse (362505320221), we get a palindrome (484528825484).

The spelling of 122023505263 in words is "one hundred twenty-two billion, twenty-three million, five hundred five thousand, two hundred sixty-three".