23778098 has 4 divisors (see below), whose sum is σ = 35667150. Its totient is φ = 11889048.

The previous prime is 23778091. The next prime is 23778103. The reversal of 23778098 is 89087732.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 1471369 = 4723^2 + 1213^2 .

It is not an unprimeable number, because it can be changed into a prime (23778091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5944523 + ... + 5944526.

Almost surely, 2^23778098 is an apocalyptic number.

23778098 is a deficient number, since it is larger than the sum of its proper divisors (11889052).

23778098 is a wasteful number, since it uses less digits than its factorization.

23778098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889051.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 23778098 is about 4876.2791142427. The cubic root of 23778098 is about 287.5581654212.

The spelling of 23778098 in words is "twenty-three million, seven hundred seventy-eight thousand, ninety-eight".