980023453 has 4 divisors (see below), whose sum is σ = 996634080. Its totient is φ = 963412828.

The previous prime is 980023441. The next prime is 980023487. The reversal of 980023453 is 354320089.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 980023453 - 2⁹ = 980022941 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 (980023423) 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, 8305225 + ... + 8305342.

It is an arithmetic number, because the mean of its divisors is an integer number (249158520).

Almost surely, 2^980023453 is an apocalyptic number.

It is an amenable number.

980023453 is a deficient number, since it is larger than the sum of its proper divisors (16610627).

980023453 is a wasteful number, since it uses less digits than its factorization.

980023453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610626.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 980023453 is about 31305.3262720579. The cubic root of 980023453 is about 993.2963119870.

The spelling of 980023453 in words is "nine hundred eighty million, twenty-three thousand, four hundred fifty-three".